Article - 29 May 2001
Invar has the lowest thermal expansion of any known metal or alloy from room temperature up to 230?C. Special low expansion and sealing alloy grades are available. Applications include thermostats,...
Article - 17 Dec 2012
Polyether ether ketone (PEEK) is a high temperature semi-crystalline thermoplastic. PEEK was discovered by ICI in 1982. This polymer has the ability to be used continuously to a temperature of 250°C...
News - 8 Jul 2009
Ohio State University researchers have developed a new method for making extremely pure, very small metal-oxide nanoparticles. They are using this simple, fast, and low-temperature process to make...
Article - 16 Feb 2002
The only material that is practically used for electron emitters is tungsten. Although there are other electropositive metals that yield higher emission rates, tungsten has an extremely low vapor...
Article - 6 Dec 2016
In the manufacture of cooking appliances, thermal insulation has long been a key element to ensure energy efficiency and safety.
Article - 18 Dec 2012
Copper has been used by man for thousands of years. It was first used to make coins and ornaments in 8000 B.C. By 5500 B.C. copper tools were invented which aided civilization to emerge from the Stone...
Article - 13 Dec 2001
Silica is one of the most abundant oxides in the earths crust. It exists in 3 crystalline forms as well as amorphous forms. It hasmany useful properties and is used in a range of applications such as...